[sil-simplify-cfg] Add a few helper functions to be used by the implementation of dominator-based jump-threading for checked_cast_br [exact]
[sil-simplify-cfg] Add a few helper functions to be used by the implementation of dominator-based jump-threading for checked_cast_br [exact]

Swift SVN r23514

kentya6/swift,ahoppen/swift,modocache/swift,KrishMunot/swift,cbrentharris/swift,swiftix/swift.old,JGiola/swift,milseman/swift,mightydeveloper/swift,shajrawi/swift,benlangmuir/swift,Ivacker/swift,gregomni/swift,LeoShimonaka/swift,tjw/swift,nathawes/swift,gmilos/swift,jopamer/swift,parkera/swift,ben-ng/swift,amraboelela/swift,johnno1962d/swift,allevato/swift,dduan/swift,danielmartin/swift,modocache/swift,huonw/swift,aschwaighofer/swift,atrick/swift,shajrawi/swift,bitjammer/swift,gribozavr/swift,apple/swift,rudkx/swift,hooman/swift,mightydeveloper/swift,harlanhaskins/swift,huonw/swift,kusl/swift,nathawes/swift,kperryua/swift,mightydeveloper/swift,cbrentharris/swift,johnno1962d/swift,kusl/swift,jtbandes/swift,adrfer/swift,jmgc/swift,felix91gr/swift,tinysun212/swift-windows,brentdax/swift,bitjammer/swift,dduan/swift,MukeshKumarS/Swift,benlangmuir/swift,kentya6/swift,swiftix/swift.old,MukeshKumarS/Swift,manavgabhawala/swift,ben-ng/swift,zisko/swift,khizkhiz/swift,natecook1000/swift,amraboelela/swift,airspeedswift/swift,johnno1962d/swift,gmilos/swift,swiftix/swift.old,tardieu/swift,stephentyrone/swift,natecook1000/swift,atrick/swift,shahmishal/swift,apple/swift,apple/swift,austinzheng/swift,emilstahl/swift,manavgabhawala/swift,karwa/swift,djwbrown/swift,kusl/swift,russbishop/swift,codestergit/swift,tjw/swift,hughbe/swift,tardieu/swift,gottesmm/swift,kperryua/swift,jckarter/swift,SwiftAndroid/swift,uasys/swift,roambotics/swift,russbishop/swift,shajrawi/swift,manavgabhawala/swift,devincoughlin/swift,adrfer/swift,kperryua/swift,benlangmuir/swift,gregomni/swift,Jnosh/swift,gribozavr/swift,xedin/swift,uasys/swift,deyton/swift,hooman/swift,danielmartin/swift,Ivacker/swift,swiftix/swift,ahoppen/swift,emilstahl/swift,tinysun212/swift-windows,shajrawi/swift,KrishMunot/swift,milseman/swift,LeoShimonaka/swift,brentdax/swift,kusl/swift,parkera/swift,zisko/swift,roambotics/swift,gmilos/swift,cbrentharris/swift,kusl/swift,stephentyrone/swift,karwa/swift,shahmishal/swift,swiftix/swift,kperryua/swift,Ivacker/swift,tkremenek/swift,roambotics/swift,CodaFi/swift,therealbnut/swift,hughbe/swift,ben-ng/swift,devincoughlin/swift,deyton/swift,LeoShimonaka/swift,brentdax/swift,gottesmm/swift,jmgc/swift,parkera/swift,sschiau/swift,austinzheng/swift,gribozavr/swift,swiftix/swift,ken0nek/swift,sschiau/swift,slavapestov/swift,KrishMunot/swift,JGiola/swift,JaSpa/swift,bitjammer/swift,kstaring/swift,devincoughlin/swift,alblue/swift,practicalswift/swift,Ivacker/swift,manavgabhawala/swift,dduan/swift,dduan/swift,sschiau/swift,milseman/swift,OscarSwanros/swift,therealbnut/swift,frootloops/swift,arvedviehweger/swift,khizkhiz/swift,allevato/swift,lorentey/swift,IngmarStein/swift,JaSpa/swift,OscarSwanros/swift,IngmarStein/swift,airspeedswift/swift,jckarter/swift,jopamer/swift,tinysun212/swift-windows,lorentey/swift,modocache/swift,ben-ng/swift,LeoShimonaka/swift,dduan/swift,amraboelela/swift,arvedviehweger/swift,MukeshKumarS/Swift,felix91gr/swift,ken0nek/swift,mightydeveloper/swift,benlangmuir/swift,huonw/swift,sdulal/swift,swiftix/swift.old,Jnosh/swift,jtbandes/swift,Jnosh/swift,airspeedswift/swift,deyton/swift,jmgc/swift,slavapestov/swift,IngmarStein/swift,zisko/swift,natecook1000/swift,CodaFi/swift,allevato/swift,tkremenek/swift,milseman/swift,OscarSwanros/swift,slavapestov/swift,natecook1000/swift,danielmartin/swift,calebd/swift,xedin/swift,slavapestov/swift,atrick/swift,karwa/swift,OscarSwanros/swift,rudkx/swift,austinzheng/swift,brentdax/swift,adrfer/swift,cbrentharris/swift,shajrawi/swift,allevato/swift,hooman/swift,adrfer/swift,tkremenek/swift,JaSpa/swift,Jnosh/swift,stephentyrone/swift,natecook1000/swift,danielmartin/swift,Ivacker/swift,glessard/swift,danielmartin/swift,felix91gr/swift,frootloops/swift,cbrentharris/swift,sdulal/swift,milseman/swift,SwiftAndroid/swift,CodaFi/swift,codestergit/swift,sschiau/swift,harlanhaskins/swift,russbishop/swift,JGiola/swift,LeoShimonaka/swift,mightydeveloper/swift,bitjammer/swift,hughbe/swift,ahoppen/swift,rudkx/swift,hughbe/swift,aschwaighofer/swift,lorentey/swift,practicalswift/swift,manavgabhawala/swift,gmilos/swift,gribozavr/swift,tjw/swift,jckarter/swift,glessard/swift,jopamer/swift,xedin/swift,tjw/swift,amraboelela/swift,calebd/swift,IngmarStein/swift,jtbandes/swift,frootloops/swift,JaSpa/swift,sdulal/swift,modocache/swift,dduan/swift,gribozavr/swift,calebd/swift,jckarter/swift,djwbrown/swift,johnno1962d/swift,nathawes/swift,lorentey/swift,parkera/swift,kentya6/swift,sdulal/swift,kentya6/swift,jtbandes/swift,arvedviehweger/swift,manavgabhawala/swift,JaSpa/swift,gottesmm/swift,uasys/swift,xwu/swift,uasys/swift,codestergit/swift,emilstahl/swift,hooman/swift,glessard/swift,kperryua/swift,xedin/swift,xedin/swift,lorentey/swift,MukeshKumarS/Swift,huonw/swift,nathawes/swift,airspeedswift/swift,apple/swift,shahmishal/swift,felix91gr/swift,mightydeveloper/swift,sdulal/swift,tkremenek/swift,stephentyrone/swift,swiftix/swift.old,KrishMunot/swift,deyton/swift,slavapestov/swift,OscarSwanros/swift,uasys/swift,return/swift,kstaring/swift,jckarter/swift,practicalswift/swift,kusl/swift,zisko/swift,natecook1000/swift,amraboelela/swift,gregomni/swift,roambotics/swift,apple/swift,swiftix/swift,CodaFi/swift,tardieu/swift,xwu/swift,austinzheng/swift,khizkhiz/swift,Ivacker/swift,gottesmm/swift,jopamer/swift,Jnosh/swift,sschiau/swift,tardieu/swift,arvedviehweger/swift,tardieu/swift,djwbrown/swift,bitjammer/swift,austinzheng/swift,aschwaighofer/swift,djwbrown/swift,jtbandes/swift,benlangmuir/swift,practicalswift/swift,swiftix/swift,jmgc/swift,jckarter/swift,Jnosh/swift,allevato/swift,gribozavr/swift,dduan/swift,devincoughlin/swift,alblue/swift,alblue/swift,glessard/swift,KrishMunot/swift,xwu/swift,nathawes/swift,airspeedswift/swift,tinysun212/swift-windows,amraboelela/swift,airspeedswift/swift,dreamsxin/swift,swiftix/swift.old,codestergit/swift,johnno1962d/swift,Ivacker/swift,KrishMunot/swift,lorentey/swift,MukeshKumarS/Swift,lorentey/swift,tinysun212/swift-windows,karwa/swift,rudkx/swift,adrfer/swift,jmgc/swift,cbrentharris/swift,djwbrown/swift,benlangmuir/swift,uasys/swift,atrick/swift,khizkhiz/swift,kentya6/swift,khizkhiz/swift,airspeedswift/swift,adrfer/swift,tkremenek/swift,kentya6/swift,stephentyrone/swift,CodaFi/swift,ken0nek/swift,xwu/swift,aschwaighofer/swift,milseman/swift,hughbe/swift,gregomni/swift,karwa/swift,dreamsxin/swift,huonw/swift,adrfer/swift,codestergit/swift,deyton/swift,JaSpa/swift,natecook1000/swift,kusl/swift,kstaring/swift,SwiftAndroid/swift,arvedviehweger/swift,practicalswift/swift,huonw/swift,kstaring/swift,glessard/swift,tkremenek/swift,danielmartin/swift,calebd/swift,frootloops/swift,jopamer/swift,gmilos/swift,shajrawi/swift,tjw/swift,JGiola/swift,ken0nek/swift,apple/swift,allevato/swift,xedin/swift,huonw/swift,JGiola/swift,kstaring/swift,IngmarStein/swift,brentdax/swift,ken0nek/swift,emilstahl/swift,modocache/swift,devincoughlin/swift,SwiftAndroid/swift,gottesmm/swift,IngmarStein/swift,ken0nek/swift,Ivacker/swift,deyton/swift,therealbnut/swift,return/swift,devincoughlin/swift,frootloops/swift,frootloops/swift,sdulal/swift,ben-ng/swift,parkera/swift,practicalswift/swift,sschiau/swift,aschwaighofer/swift,russbishop/swift,rudkx/swift,mightydeveloper/swift,alblue/swift,devincoughlin/swift,emilstahl/swift,return/swift,arvedviehweger/swift,jtbandes/swift,gottesmm/swift,harlanhaskins/swift,LeoShimonaka/swift,bitjammer/swift,bitjammer/swift,LeoShimonaka/swift,calebd/swift,shahmishal/swift,CodaFi/swift,kentya6/swift,xwu/swift,uasys/swift,kentya6/swift,xwu/swift,therealbnut/swift,therealbnut/swift,Jnosh/swift,jmgc/swift,zisko/swift,felix91gr/swift,shajrawi/swift,austinzheng/swift,roambotics/swift,xedin/swift,return/swift,alblue/swift,shahmishal/swift,russbishop/swift,gregomni/swift,parkera/swift,danielmartin/swift,tjw/swift,sdulal/swift,kusl/swift,ahoppen/swift,OscarSwanros/swift,jmgc/swift,felix91gr/swift,shajrawi/swift,shahmishal/swift,JGiola/swift,modocache/swift,jopamer/swift,mightydeveloper/swift,parkera/swift,felix91gr/swift,tardieu/swift,SwiftAndroid/swift,slavapestov/swift,hooman/swift,lorentey/swift,djwbrown/swift,milseman/swift,tardieu/swift,ahoppen/swift,parkera/swift,calebd/swift,jopamer/swift,allevato/swift,jckarter/swift,khizkhiz/swift,harlanhaskins/swift,stephentyrone/swift,shahmishal/swift,MukeshKumarS/Swift,frootloops/swift,amraboelela/swift,ken0nek/swift,xwu/swift,ahoppen/swift,harlanhaskins/swift,tinysun212/swift-windows,atrick/swift,calebd/swift,practicalswift/swift,alblue/swift,karwa/swift,hughbe/swift,codestergit/swift,practicalswift/swift,johnno1962d/swift,aschwaighofer/swift,stephentyrone/swift,deyton/swift,karwa/swift,roambotics/swift,tkremenek/swift,JaSpa/swift,emilstahl/swift,rudkx/swift,sschiau/swift,jtbandes/swift,ben-ng/swift,gribozavr/swift,xedin/swift,codestergit/swift,swiftix/swift.old,sdulal/swift,sschiau/swift,khizkhiz/swift,karwa/swift,LeoShimonaka/swift,tinysun212/swift-windows,swiftix/swift.old,devincoughlin/swift,return/swift,therealbnut/swift,kperryua/swift,SwiftAndroid/swift,MukeshKumarS/Swift,OscarSwanros/swift,hooman/swift,alblue/swift,hughbe/swift,arvedviehweger/swift,zisko/swift,harlanhaskins/swift,nathawes/swift,nathawes/swift,gottesmm/swift,brentdax/swift,harlanhaskins/swift,hooman/swift,johnno1962d/swift,brentdax/swift,swiftix/swift,gmilos/swift,russbishop/swift,emilstahl/swift,emilstahl/swift,gmilos/swift,SwiftAndroid/swift,IngmarStein/swift,atrick/swift,modocache/swift,return/swift,djwbrown/swift,kperryua/swift,shahmishal/swift,therealbnut/swift,gribozavr/swift,manavgabhawala/swift,CodaFi/swift,russbishop/swift,zisko/swift,kstaring/swift,KrishMunot/swift,swiftix/swift,slavapestov/swift,austinzheng/swift,aschwaighofer/swift,tjw/swift,glessard/swift,kstaring/swift,gregomni/swift,return/swift,cbrentharris/swift,cbrentharris/swift,ben-ng/swift